<?php
use \sy\lib\YHtml;
?>
	<meta http-equiv="content-type" content="text/html; charset=utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<style type="text/css">
	* {
		box-sizing: border-box;
	}
	html,
	body {
		margin: 0;
		font-family: "Microsoft Yahei", "微软雅黑", sans-serif;
		font-size: 14px;
	}
	h1 {
		text-align: center;
		font-weight: normal;
		font-size: 30px;
	}
	iframe {
		display: block;
		border: 0;
		width: 300px;
		height: 230px;
		margin: 10px auto;
	}
	</style>